Poly(trimethylene terephthalate) composition and shaped...

Details Poly(trimethylene terephthalate) composition and shaped... Poly(trimethylene terephthalate) composition and shaped...

C - Chemistry, Metallurgy

08

G

C08G 63/20 (2006.01) B65D 1/02 (2006.01) C08G 63/183 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2592391

Poly(trimethylene dicarboxylate) prepared by polycondensation of: (a) 1,3- propanediol; (b) aliphatic or aromatic diacid or diester; and (c) from about 0.01 to about 0.2 mole %, based on the total number of moles of 1,3 propanediol and diacid or ester, of polyfunctional reactant containing three or more carboxylic acid type groups or hydroxy groups. Shaped articles, including bottles, are made from the poly(trimethylene dicarboxylate).

L~invention concerne un poly(dicarboxylate de triméthylène) préparé par la polycondensation : (a) du 1,3-propanediol ; (b) d~un diacide ou diester aliphatique ou aromatique ; et (c) d~environ 0,01 à environ 0,2 % en mole d~un réactif polyfonctionnel contenant trois groupes de type acide carboxylique ou groupes hydroxy ou plus, sur la base du nombre total de moles de 1,3-propanediol et de diacide ou d'ester. Des articles façonnés, y compris des bouteilles, sont fabriqués à partir du poly(dicarboxylate de triméthylène).

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